diff options
Diffstat (limited to 'app/src/main/java/org/spongycastle/util')
8 files changed, 0 insertions, 735 deletions
diff --git a/app/src/main/java/org/spongycastle/util/encoders/Base64.java b/app/src/main/java/org/spongycastle/util/encoders/Base64.java deleted file mode 100644 index 87bd80a0..00000000 --- a/app/src/main/java/org/spongycastle/util/encoders/Base64.java +++ /dev/null @@ -1,121 +0,0 @@ -package org.spongycastle.util.encoders; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.OutputStream; - -public class Base64 -{ - private static final Encoder encoder = new Base64Encoder(); - - /** - * encode the input data producing a base 64 encoded byte array. - * - * @return a byte array containing the base 64 encoded data. - */ - public static byte[] encode( - byte[] data) - { - int len = (data.length + 2) / 3 * 4; - ByteArrayOutputStream bOut = new ByteArrayOutputStream(len); - - try - { - encoder.encode(data, 0, data.length, bOut); - } - catch (IOException e) - { - throw new RuntimeException("exception encoding base64 string: " + e); - } - - return bOut.toByteArray(); - } - - /** - * Encode the byte data to base 64 writing it to the given output stream. - * - * @return the number of bytes produced. - */ - public static int encode( - byte[] data, - OutputStream out) - throws IOException - { - return encoder.encode(data, 0, data.length, out); - } - - /** - * Encode the byte data to base 64 writing it to the given output stream. - * - * @return the number of bytes produced. - */ - public static int encode( - byte[] data, - int off, - int length, - OutputStream out) - throws IOException - { - return encoder.encode(data, off, length, out); - } - - /** - * decode the base 64 encoded input data. It is assumed the input data is valid. - * - * @return a byte array representing the decoded data. - */ - public static byte[] decode( - byte[] data) - { - int len = data.length / 4 * 3; - ByteArrayOutputStream bOut = new ByteArrayOutputStream(len); - - try - { - encoder.decode(data, 0, data.length, bOut); - } - catch (IOException e) - { - throw new RuntimeException("exception decoding base64 string: " + e); - } - - return bOut.toByteArray(); - } - - /** - * decode the base 64 encoded String data - whitespace will be ignored. - * - * @return a byte array representing the decoded data. - */ - public static byte[] decode( - String data) - { - int len = data.length() / 4 * 3; - ByteArrayOutputStream bOut = new ByteArrayOutputStream(len); - - try - { - encoder.decode(data, bOut); - } - catch (IOException e) - { - throw new RuntimeException("exception decoding base64 string: " + e); - } - - return bOut.toByteArray(); - } - - /** - * decode the base 64 encoded String data writing it to the given output stream, - * whitespace characters will be ignored. - * - * @return the number of bytes produced. - */ - public static int decode( - String data, - OutputStream out) - throws IOException - { - return encoder.decode(data, out); - } -} diff --git a/app/src/main/java/org/spongycastle/util/encoders/Base64Encoder.java b/app/src/main/java/org/spongycastle/util/encoders/Base64Encoder.java deleted file mode 100644 index 84060707..00000000 --- a/app/src/main/java/org/spongycastle/util/encoders/Base64Encoder.java +++ /dev/null @@ -1,298 +0,0 @@ -package org.spongycastle.util.encoders; - -import java.io.IOException; -import java.io.OutputStream; - -public class Base64Encoder - implements Encoder -{ - protected final byte[] encodingTable = - { - (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G', - (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N', - (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U', - (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z', - (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g', - (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n', - (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u', - (byte)'v', - (byte)'w', (byte)'x', (byte)'y', (byte)'z', - (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6', - (byte)'7', (byte)'8', (byte)'9', - (byte)'+', (byte)'/' - }; - - protected byte padding = (byte)'='; - - /* - * set up the decoding table. - */ - protected final byte[] decodingTable = new byte[128]; - - protected void initialiseDecodingTable() - { - for (int i = 0; i < encodingTable.length; i++) - { - decodingTable[encodingTable[i]] = (byte)i; - } - } - - public Base64Encoder() - { - initialiseDecodingTable(); - } - - /** - * encode the input data producing a base 64 output stream. - * - * @return the number of bytes produced. - */ - public int encode( - byte[] data, - int off, - int length, - OutputStream out) - throws IOException - { - int modulus = length % 3; - int dataLength = (length - modulus); - int a1, a2, a3; - - for (int i = off; i < off + dataLength; i += 3) - { - a1 = data[i] & 0xff; - a2 = data[i + 1] & 0xff; - a3 = data[i + 2] & 0xff; - - out.write(encodingTable[(a1 >>> 2) & 0x3f]); - out.write(encodingTable[((a1 << 4) | (a2 >>> 4)) & 0x3f]); - out.write(encodingTable[((a2 << 2) | (a3 >>> 6)) & 0x3f]); - out.write(encodingTable[a3 & 0x3f]); - } - - /* - * process the tail end. - */ - int b1, b2, b3; - int d1, d2; - - switch (modulus) - { - case 0: /* nothing left to do */ - break; - case 1: - d1 = data[off + dataLength] & 0xff; - b1 = (d1 >>> 2) & 0x3f; - b2 = (d1 << 4) & 0x3f; - - out.write(encodingTable[b1]); - out.write(encodingTable[b2]); - out.write(padding); - out.write(padding); - break; - case 2: - d1 = data[off + dataLength] & 0xff; - d2 = data[off + dataLength + 1] & 0xff; - - b1 = (d1 >>> 2) & 0x3f; - b2 = ((d1 << 4) | (d2 >>> 4)) & 0x3f; - b3 = (d2 << 2) & 0x3f; - - out.write(encodingTable[b1]); - out.write(encodingTable[b2]); - out.write(encodingTable[b3]); - out.write(padding); - break; - } - - return (dataLength / 3) * 4 + ((modulus == 0) ? 0 : 4); - } - - private boolean ignore( - char c) - { - return (c == '\n' || c =='\r' || c == '\t' || c == ' '); - } - - /** - * decode the base 64 encoded byte data writing it to the given output stream, - * whitespace characters will be ignored. - * - * @return the number of bytes produced. - */ - public int decode( - byte[] data, - int off, - int length, - OutputStream out) - throws IOException - { - byte b1, b2, b3, b4; - int outLen = 0; - - int end = off + length; - - while (end > off) - { - if (!ignore((char)data[end - 1])) - { - break; - } - - end--; - } - - int i = off; - int finish = end - 4; - - i = nextI(data, i, finish); - - while (i < finish) - { - b1 = decodingTable[data[i++]]; - - i = nextI(data, i, finish); - - b2 = decodingTable[data[i++]]; - - i = nextI(data, i, finish); - - b3 = decodingTable[data[i++]]; - - i = nextI(data, i, finish); - - b4 = decodingTable[data[i++]]; - - out.write((b1 << 2) | (b2 >> 4)); - out.write((b2 << 4) | (b3 >> 2)); - out.write((b3 << 6) | b4); - - outLen += 3; - - i = nextI(data, i, finish); - } - - outLen += decodeLastBlock(out, (char)data[end - 4], (char)data[end - 3], (char)data[end - 2], (char)data[end - 1]); - - return outLen; - } - - private int nextI(byte[] data, int i, int finish) - { - while ((i < finish) && ignore((char)data[i])) - { - i++; - } - return i; - } - - /** - * decode the base 64 encoded String data writing it to the given output stream, - * whitespace characters will be ignored. - * - * @return the number of bytes produced. - */ - public int decode( - String data, - OutputStream out) - throws IOException - { - byte b1, b2, b3, b4; - int length = 0; - - int end = data.length(); - - while (end > 0) - { - if (!ignore(data.charAt(end - 1))) - { - break; - } - - end--; - } - - int i = 0; - int finish = end - 4; - - i = nextI(data, i, finish); - - while (i < finish) - { - b1 = decodingTable[data.charAt(i++)]; - - i = nextI(data, i, finish); - - b2 = decodingTable[data.charAt(i++)]; - - i = nextI(data, i, finish); - - b3 = decodingTable[data.charAt(i++)]; - - i = nextI(data, i, finish); - - b4 = decodingTable[data.charAt(i++)]; - - out.write((b1 << 2) | (b2 >> 4)); - out.write((b2 << 4) | (b3 >> 2)); - out.write((b3 << 6) | b4); - - length += 3; - - i = nextI(data, i, finish); - } - - length += decodeLastBlock(out, data.charAt(end - 4), data.charAt(end - 3), data.charAt(end - 2), data.charAt(end - 1)); - - return length; - } - - private int decodeLastBlock(OutputStream out, char c1, char c2, char c3, char c4) - throws IOException - { - byte b1, b2, b3, b4; - - if (c3 == padding) - { - b1 = decodingTable[c1]; - b2 = decodingTable[c2]; - - out.write((b1 << 2) | (b2 >> 4)); - - return 1; - } - else if (c4 == padding) - { - b1 = decodingTable[c1]; - b2 = decodingTable[c2]; - b3 = decodingTable[c3]; - - out.write((b1 << 2) | (b2 >> 4)); - out.write((b2 << 4) | (b3 >> 2)); - - return 2; - } - else - { - b1 = decodingTable[c1]; - b2 = decodingTable[c2]; - b3 = decodingTable[c3]; - b4 = decodingTable[c4]; - - out.write((b1 << 2) | (b2 >> 4)); - out.write((b2 << 4) | (b3 >> 2)); - out.write((b3 << 6) | b4); - - return 3; - } - } - - private int nextI(String data, int i, int finish) - { - while ((i < finish) && ignore(data.charAt(i))) - { - i++; - } - return i; - } -} diff --git a/app/src/main/java/org/spongycastle/util/encoders/Encoder.java b/app/src/main/java/org/spongycastle/util/encoders/Encoder.java deleted file mode 100644 index 106c36b7..00000000 --- a/app/src/main/java/org/spongycastle/util/encoders/Encoder.java +++ /dev/null @@ -1,17 +0,0 @@ -package org.spongycastle.util.encoders; - -import java.io.IOException; -import java.io.OutputStream; - -/** - * Encode and decode byte arrays (typically from binary to 7-bit ASCII - * encodings). - */ -public interface Encoder -{ - int encode(byte[] data, int off, int length, OutputStream out) throws IOException; - - int decode(byte[] data, int off, int length, OutputStream out) throws IOException; - - int decode(String data, OutputStream out) throws IOException; -} diff --git a/app/src/main/java/org/spongycastle/util/io/pem/PemGenerationException.java b/app/src/main/java/org/spongycastle/util/io/pem/PemGenerationException.java deleted file mode 100644 index 0127ca0c..00000000 --- a/app/src/main/java/org/spongycastle/util/io/pem/PemGenerationException.java +++ /dev/null @@ -1,26 +0,0 @@ -package org.spongycastle.util.io.pem; - -import java.io.IOException; - -@SuppressWarnings("serial") -public class PemGenerationException - extends IOException -{ - private Throwable cause; - - public PemGenerationException(String message, Throwable cause) - { - super(message); - this.cause = cause; - } - - public PemGenerationException(String message) - { - super(message); - } - - public Throwable getCause() - { - return cause; - } -} diff --git a/app/src/main/java/org/spongycastle/util/io/pem/PemHeader.java b/app/src/main/java/org/spongycastle/util/io/pem/PemHeader.java deleted file mode 100644 index 4adb815e..00000000 --- a/app/src/main/java/org/spongycastle/util/io/pem/PemHeader.java +++ /dev/null @@ -1,66 +0,0 @@ -package org.spongycastle.util.io.pem; - -public class PemHeader -{ - private String name; - private String value; - - public PemHeader(String name, String value) - { - this.name = name; - this.value = value; - } - - public String getName() - { - return name; - } - - public String getValue() - { - return value; - } - - public int hashCode() - { - return getHashCode(this.name) + 31 * getHashCode(this.value); - } - - public boolean equals(Object o) - { - if (!(o instanceof PemHeader)) - { - return false; - } - - PemHeader other = (PemHeader)o; - - return other == this || (isEqual(this.name, other.name) && isEqual(this.value, other.value)); - } - - private int getHashCode(String s) - { - if (s == null) - { - return 1; - } - - return s.hashCode(); - } - - private boolean isEqual(String s1, String s2) - { - if (s1 == s2) - { - return true; - } - - if (s1 == null || s2 == null) - { - return false; - } - - return s1.equals(s2); - } - -} diff --git a/app/src/main/java/org/spongycastle/util/io/pem/PemObject.java b/app/src/main/java/org/spongycastle/util/io/pem/PemObject.java deleted file mode 100644 index 6f7c79c5..00000000 --- a/app/src/main/java/org/spongycastle/util/io/pem/PemObject.java +++ /dev/null @@ -1,62 +0,0 @@ -package org.spongycastle.util.io.pem; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; - -@SuppressWarnings("all") -public class PemObject - implements PemObjectGenerator -{ - private static final List EMPTY_LIST = Collections.unmodifiableList(new ArrayList()); - - private String type; - private List headers; - private byte[] content; - - /** - * Generic constructor for object without headers. - * - * @param type pem object type. - * @param content the binary content of the object. - */ - public PemObject(String type, byte[] content) - { - this(type, EMPTY_LIST, content); - } - - /** - * Generic constructor for object with headers. - * - * @param type pem object type. - * @param headers a list of PemHeader objects. - * @param content the binary content of the object. - */ - public PemObject(String type, List headers, byte[] content) - { - this.type = type; - this.headers = Collections.unmodifiableList(headers); - this.content = content; - } - - public String getType() - { - return type; - } - - public List getHeaders() - { - return headers; - } - - public byte[] getContent() - { - return content; - } - - public PemObject generate() - throws PemGenerationException - { - return this; - } -} diff --git a/app/src/main/java/org/spongycastle/util/io/pem/PemObjectGenerator.java b/app/src/main/java/org/spongycastle/util/io/pem/PemObjectGenerator.java deleted file mode 100644 index 1a8cea6d..00000000 --- a/app/src/main/java/org/spongycastle/util/io/pem/PemObjectGenerator.java +++ /dev/null @@ -1,7 +0,0 @@ -package org.spongycastle.util.io.pem; - -public interface PemObjectGenerator -{ - PemObject generate() - throws PemGenerationException; -} diff --git a/app/src/main/java/org/spongycastle/util/io/pem/PemWriter.java b/app/src/main/java/org/spongycastle/util/io/pem/PemWriter.java deleted file mode 100644 index f5a6a363..00000000 --- a/app/src/main/java/org/spongycastle/util/io/pem/PemWriter.java +++ /dev/null @@ -1,138 +0,0 @@ -package org.spongycastle.util.io.pem; - -import java.io.BufferedWriter; -import java.io.IOException; -import java.io.Writer; -import java.util.Iterator; - -import org.spongycastle.util.encoders.Base64; - -/** - * A generic PEM writer, based on RFC 1421 - */ -@SuppressWarnings("all") -public class PemWriter - extends BufferedWriter -{ - private static final int LINE_LENGTH = 64; - - private final int nlLength; - private char[] buf = new char[LINE_LENGTH]; - - /** - * Base constructor. - * - * @param out output stream to use. - */ - public PemWriter(Writer out) - { - super(out); - - String nl = System.getProperty("line.separator"); - if (nl != null) - { - nlLength = nl.length(); - } - else - { - nlLength = 2; - } - } - - /** - * Return the number of bytes or characters required to contain the - * passed in object if it is PEM encoded. - * - * @param obj pem object to be output - * @return an estimate of the number of bytes - */ - public int getOutputSize(PemObject obj) - { - // BEGIN and END boundaries. - int size = (2 * (obj.getType().length() + 10 + nlLength)) + 6 + 4; - - if (!obj.getHeaders().isEmpty()) - { - for (Iterator it = obj.getHeaders().iterator(); it.hasNext();) - { - PemHeader hdr = (PemHeader)it.next(); - - size += hdr.getName().length() + ": ".length() + hdr.getValue().length() + nlLength; - } - - size += nlLength; - } - - // base64 encoding - int dataLen = ((obj.getContent().length + 2) / 3) * 4; - - size += dataLen + (((dataLen + LINE_LENGTH - 1) / LINE_LENGTH) * nlLength); - - return size; - } - - public void writeObject(PemObjectGenerator objGen) - throws IOException - { - PemObject obj = objGen.generate(); - - writePreEncapsulationBoundary(obj.getType()); - - if (!obj.getHeaders().isEmpty()) - { - for (Iterator it = obj.getHeaders().iterator(); it.hasNext();) - { - PemHeader hdr = (PemHeader)it.next(); - - this.write(hdr.getName()); - this.write(": "); - this.write(hdr.getValue()); - this.newLine(); - } - - this.newLine(); - } - - writeEncoded(obj.getContent()); - writePostEncapsulationBoundary(obj.getType()); - } - - private void writeEncoded(byte[] bytes) - throws IOException - { - bytes = Base64.encode(bytes); - - for (int i = 0; i < bytes.length; i += buf.length) - { - int index = 0; - - while (index != buf.length) - { - if ((i + index) >= bytes.length) - { - break; - } - buf[index] = (char)bytes[i + index]; - index++; - } - this.write(buf, 0, index); - this.newLine(); - } - } - - private void writePreEncapsulationBoundary( - String type) - throws IOException - { - this.write("-----BEGIN " + type + "-----"); - this.newLine(); - } - - private void writePostEncapsulationBoundary( - String type) - throws IOException - { - this.write("-----END " + type + "-----"); - this.newLine(); - } -} |